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Thermo Fisher Scientific Inc.

TMO
Exchange
NYSE
Industry
Measuring & Controlling Devices, NEC
SEC CIK
0000097745

In the last 90 days, Thermo Fisher Scientific Inc. insiders filed 0 open-market purchases and 11 sales; 2,628 institutions reported holding it in 13F filings for Q2 2026, worth $169.2B in total; 6 superinvestors hold it, including Viking Global Investors and D1 Capital Partners.

13F holders, Q2 2025

Institutional positions in Thermo Fisher Scientific Inc. as of Jun 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
2,460
−77 vs. Q1 2025
Shares held
336.3M
−377.7K (−0.1%) vs. Q1 2025
Total value
$135.6B
−$31.6B (−18.9%) vs. Q1 2025
New holders
186
906 more added
Sold out
263
1,048 more reduced

39 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting TMO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2025: 2,460 institutions
Q1 2021: 2,046 institutionsQ2 2021: 2,082 institutionsQ3 2021: 2,135 institutionsQ4 2021: 2,347 institutionsQ1 2022: 2,320 institutionsQ2 2022: 2,286 institutionsQ3 2022: 2,269 institutionsQ4 2022: 2,378 institutionsQ1 2023: 2,390 institutionsQ2 2023: 2,391 institutionsQ3 2023: 2,369 institutionsQ4 2023: 2,495 institutionsQ1 2024: 2,534 institutionsQ2 2024: 2,553 institutionsQ3 2024: 2,579 institutionsQ4 2024: 2,624 institutionsQ1 2025: 2,576 institutionsQ2 2025: 2,460 institutionsQ3 2025: 2,515 institutionsQ4 2025: 2,707 institutionsQ1 2026: 2,612 institutionsQ2 2026: 2,628 institutions
Value heldQ2 2025: $135.6B
Q1 2021: $157.2BQ2 2021: $172.9BQ3 2021: $197.5BQ4 2021: $230.1BQ1 2022: $203.3BQ2 2022: $186.4BQ3 2022: $175.3BQ4 2022: $190.1BQ1 2023: $196.1BQ2 2023: $177.8BQ3 2023: $173.1BQ4 2023: $181.6BQ1 2024: $196.3BQ2 2024: $187.5BQ3 2024: $208.3BQ4 2024: $176.4BQ1 2025: $167.8BQ2 2025: $135.6BQ3 2025: $160.7BQ4 2025: $199.1BQ1 2026: $164.1BQ2 2026: $169.2B
Institutions holding TMO and their total value by quarter
QuarterHoldersValue
Q2 20262,628$169.2B
Q1 20262,612$164.1B
Q4 20252,707$199.1B
Q3 20252,515$160.7B
Q2 20252,460$135.6B
Q1 20252,576$167.8B
Q4 20242,624$176.4B
Q3 20242,579$208.3B
Q2 20242,553$187.5B
Q1 20242,534$196.3B
Q4 20232,495$181.6B
Q3 20232,369$173.1B
Q2 20232,391$177.8B
Q1 20232,390$196.1B
Q4 20222,378$190.1B
Q3 20222,269$175.3B
Q2 20222,286$186.4B
Q1 20222,320$203.3B
Q4 20212,347$230.1B
Q3 20212,135$197.5B
Q2 20212,082$172.9B
Q1 20212,046$157.2B

Institutions, Q2 2025

Shares, value and share of portfolio for each institution holding Thermo Fisher Scientific Inc.; share changes are against Q1 2025.

Institutions holding TMO in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
ASR Vermogensbeheer N.V.116,792$47.4M0.61%+12,541+12.0%Added
Calamos Advisors LLC120,190$48.7M0.21%−22,500−15.8%Reduced
Teacher Retirement System of Texas122,556$49.7M0.21%−50,198−29.1%Reduced
Coho Partners, Ltd.122,621$49.7M3.70%−3,748−3.0%Reduced
Marathon Asset Mgmt Ltd122,721$49.8M1.60%+54,086+78.8%Added
Resona Asset Management Co.,Ltd.123,089$50.0M0.24%+4,306+3.6%Added
Tiaa Trust, National Association123,948$50.3M0.13%+11,817+10.5%Added
London & Capital Asset Management Ltd126,158$51.1M3.88%+16,506+15.1%Added
Cubist Systematic Strategies, LLC126,281$51.2M0.55%+126,281New
State of New Jersey Common Pension Fund D127,924$51.9M0.20%−620−0.5%Reduced
Truist Financial Corp128,267$52.0M0.08%−1,962−1.5%Reduced
Davis R M Inc128,373$52.1M0.97%−1,322−1.0%Reduced
Nisa Investment Advisors, LLC128,264$52.1M0.23%−8,669−6.3%Reduced
UniSuper Management Pty Ltd128,958$52.3M0.35%−33,394−20.6%Reduced
Jones Financial Companies LLLP129,026$52.6M0.04%+25,043+24.1%Added
Harvest Portfolios Group Inc.129,916$52.7M1.23%+30,176+30.3%Added
Huntington National Bank130,499$52.9M0.35%−602−0.5%Reduced
HRT Financial LP131,087$53.1M0.23%+98,267+299.4%Added
Capital Fund Management S.A.131,832$53.5M0.59%+110,073+505.9%Added
British Columbia Investment Management Corp132,471$53.7M0.31%−37,958−22.3%Reduced
Pinebridge Investments, L.P.133,453$54.1M0.44%−27,767−17.2%Reduced
Nicholas Company, Inc.134,978$54.7M0.92%00.0%Unchanged
Braidwell LP135,233$54.8M1.88%+7,500+5.9%Added
Blair William & Co135,555$55.0M0.15%−5,255−3.7%Reduced
Mirova138,272$56.1M7.91%−13,179−8.7%Reduced
Summitry LLC138,518$56.2M2.54%+138,518New
Wealth Enhancement Advisory Services, LLC131,408$56.4M0.09%+4,258+3.3%Added
DnB Asset Management AS139,314$56.5M0.23%−58,897−29.7%Reduced
Employees Retirement System of Texas139,394$56.5M0.46%+894+0.6%Added
Mn Services Vermogensbeheer B.V.141,100$57.2M0.40%−1,200−0.8%Reduced
Border to Coast Pensions Partnership Ltd141,133$57.2M1.05%+47,220+50.3%Added
ING Groep NV160,071$57.3M0.35%+51,230+47.1%Added
KLP Kapitalforvaltning AS142,683$57.9M0.25%+5,600+4.1%Added
Bridges Investment Management Inc143,614$58.2M0.79%+3,377+2.4%Added
HighTower Advisors, LLC144,112$58.4M0.07%−35,272−19.7%Reduced
Select Equity Group, L.P.146,462$59.4M0.25%+10,568+7.8%Added
Skye Global Management LP146,500$59.4M1.27%+51,500+54.2%Added
Aquatic Capital Management LLC146,922$59.6M1.20%+67,090+84.0%Added
State of Tennessee, Treasury Department148,856$60.4M0.22%−2,176−1.4%Reduced
Mariner, LLC148,904$60.4M0.09%−188,069−55.8%Reduced
iA Global Asset Management Inc.150,110$60.9M0.92%−11,445−7.1%Reduced
Abn Amro Investment Solutions150,297$60.9M1.22%+31,000+26.0%Added
Weitz Investment Management, Inc.SuperinvestorWeitz Investment Management150,450$61.0M3.28%+24,300+19.3%Added
New South Capital Management Inc150,703$61.1M2.96%−1,660−1.1%Reduced
Compass Capital Management, Inc151,852$61.6M3.30%+40,068+35.8%Added
Public Employees Retirement System of Ohio154,698$62.7M0.21%−3,469−2.2%Reduced
Groupama Asset Managment154,162$62.9M1.04%+8,363+5.7%Added
Fiera Capital Corp156,172$63.3M0.21%+8,086+5.5%Added
Waters Parkerson & Co., LLC159,110$64.5M3.22%+1,244+0.8%Added
Robeco Schweiz AG161,597$65.5M1.51%+25,040+18.3%Added
Congress Asset Management Co162,498$65.9M0.45%−5,251−3.1%Reduced
Jennison Associates LLC165,992$67.3M0.04%+165,992New
Impax Asset Management Group plc170,546$68.4M0.39%−22,292−11.6%Reduced
Ownership Capital B.V.169,163$68.6M3.99%−53,702−24.1%Reduced
Menora Mivtachim Holdings Ltd.171,932$69.7M0.40%00.0%Unchanged
Bristol Gate Capital Partners Inc.173,498$70.3M4.00%+11,183+6.9%Added
US Bancorp173,633$70.4M0.09%−4,300−2.4%Reduced
Treasurer of the State of North Carolina176,412$71.5M0.23%−10,582−5.7%Reduced
Bartlett & Co. Wealth Management LLC190,864$77.5M1.08%+912+0.5%Added
Asset Management One Co.,Ltd.198,172$80.4M0.25%−885−0.4%Reduced
Douglas Lane & Associates, LLC199,531$80.9M1.17%+12,333+6.6%Added
Baird Financial Group, Inc.199,737$81.0M0.14%−13,074−6.1%Reduced
Tredje AP-fonden201,971$81.9M0.65%+62,279+44.6%Added
Retirement Systems of Alabama202,572$82.1M0.29%−3,349−1.6%Reduced
Commerce Bank202,754$82.2M0.49%−10,996−5.1%Reduced
Great Lakes Advisors, LLC205,325$83.3M0.70%−2,923−1.4%Reduced
Agf Management Ltd205,857$83.5M0.38%+9,130+4.6%Added
HM Payson & Co205,974$83.5M1.32%+30,268+17.2%Added
Storebrand Asset Management AS207,174$84.0M0.24%−14,807−6.7%Reduced
State of Wisconsin Investment Board207,660$84.2M0.21%−21,434−9.4%Reduced
Susquehanna International Group, LLP207,794$84.3M0.13%+158,673+323.0%Added
DF Dent & Co Inc209,747$85.0M1.08%−2,752−1.3%Reduced
Dixon Mitchell Investment Counsel Inc.209,712$85.1M3.31%+58,358+38.6%Added
Mackenzie Financial Corp213,755$86.7M0.11%−571,633−72.8%Reduced
Skandinaviska Enskilda Banken AB (publ)216,114$87.6M0.38%−20,805−8.8%Reduced
SEI Investments Co216,676$87.9M0.10%−41,761−16.2%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)220,636$89.5M0.22%−5,842−2.6%Reduced
STRS Ohio222,657$90.3M0.34%+24,706+12.5%Added
Cerity Partners LLC224,635$91.1M0.16%−2,142−0.9%Reduced
Russell Investments Group, Ltd.227,798$92.4M0.12%−58,769−20.5%Reduced
Haverford Trust Co228,066$92.5M0.88%+7,831+3.6%Added
Harding Loevner LP229,531$93.1M0.63%−187,050−44.9%Reduced
Mitsubishi UFJ Trust & Banking Corp229,962$93.2M0.22%−20,131−8.0%Reduced
Formuepleje A/S190,561$94.8M5.41%00.0%Unchanged
KBC Group NV233,925$94.8M0.26%−23,829−9.2%Reduced
CIBC Asset Management Inc238,029$96.0M0.30%+10,609+4.7%Added
Bradley Foster & Sargent Inc242,520$98.3M1.54%−870−0.4%Reduced
Balyasny Asset Management LLC244,113$99.0M0.22%+211,079+639.0%Added
The PNC Financial Services Group, Inc.254,250$103.1M0.07%−17,803−6.5%Reduced
Colony Group, LLC255,800$103.7M0.22%+36,179+16.5%Added
Sarasin & Partners LLP256,589$104.0M1.04%−119,485−31.8%Reduced
James Hambro & Partners257,327$104.3M4.13%+22,904+9.8%Added
Korea Investment CORP258,981$105.0M0.23%−96,717−27.2%Reduced
La Banque Postale Asset Management SA261,038$105.8M1.49%+30,837+13.4%Added
Chevy Chase Trust Holdings, Inc.272,082$110.3M0.32%+29,510+12.2%Added
Public Employees Retirement Association of Colorado274,574$111.3M0.43%−1,800−0.7%Reduced
Quilter Plc276,111$112.0M2.04%+35,983+15.0%Added
Compagnie Lombard Odier SCmA280,728$113.8M1.50%+30,461+12.2%Added
LPL Financial LLC281,224$114.0M0.04%+2,925+1.1%Added
Artisan Partners Limited Partnership282,903$114.7M0.17%+282,903New